16-letter words containing t, h, e, f, a
- federation wheat — an early-maturing drought-resistant variety of wheat developed by William Farrar in 1902
- feel the draught — to be short of money
- fermat's theorem — the theorem that an integer raised to a prime power leaves the same remainder as the integer itself when divided by the prime.
- ferrous sulphate — an iron salt with a saline taste, usually obtained as greenish crystals of the heptahydrate, which are converted to the white monohydrate above 100°C: used in inks, tanning, water purification, and in the treatment of anaemia. Formula: FeSO4
- fifth-generation — denoting developments in computer design to produce machines with artificial intelligence
- fingertip search — When the police carry out a fingertip search of a place, they examine it for evidence in a very detailed way.
- fisherman's knot — a knot for joining two ropes of equal thickness consisting of an overhand knot or double overhand knot by each rope round the other, so that the two knots jam when pulled tight
- flash eliminator — a device fitted to the muzzle of a firearm to reduce the flash made by the ignited propellant gases
- flash in the pan — a brief, sudden burst of bright light: a flash of lightning.
- flathead catfish — a yellow and brown catfish, Pylodictus olivaris, common in the central U.S., having a flattened head and a projecting lower jaw.
- flatheaded borer — the larva of a metallic wood-boring beetle, having an expanded and flattened anterior end.
- flight attendant — an airline employee who serves meals, attends to passengers' comfort, etc., during a flight.
- floridean starch — the storage polysaccharide of red algae.
- for the duration — If you say that something will happen for the duration, you mean that it will happen for as long as a particular situation continues.
- for the meantime — For the meantime means for a period of time from now until something else happens.
- forbid the banns — to raise an objection to a marriage announced in this way
- forefathers' day — the anniversary of the day (December 21, 1620, in Old Style December 11) on which the Pilgrims landed at Plymouth, Mass. Owing to an error in changing the date from the Old Style to the New, it is generally observed on December 22.
- fort leavenworth — a military reservation and U.S. Army training center in E Kansas adjoining Leavenworth, one of the oldest (1827) military posts W of the Mississippi and site of federal penitentiary.
- fourth amendment — an amendment to the U.S. Constitution, ratified in 1791 as part of the Bill of Rights, prohibiting unlawful search and seizure of personal property.
- fraternity house — a house occupied by a college or university fraternity.
- freeboard length — the length of a vessel, measured on the summer load line from the fore side of the stem to some part of the stern, usually the after side of the rudderpost.
- freight terminal — (on a rail network) a place where freight is stored while awaiting onward transport
- freshwater pearl — any of the small pearls produced especially by freshwater mussels.
- from one's heart — very sincerely or deeply
- ft share indexes — any of a number of share indexes published by the Financial Times to reflect various aspects of stock exchange prices
- full steam ahead — If something such as a plan or a project goes full steam ahead, it progresses quickly.
- garfield heights — a city in NE Ohio, near Cleveland.
- go off the rails — If someone goes off the rails, they start to behave in a way that other people think is unacceptable or very strange, for example they start taking drugs or breaking the law.
- guy fawkes night — In Britain, Guy Fawkes Night is the evening of 5th November, when many people have parties with bonfires and fireworks. It began as a way of remembering the attempt by Guy Fawkes to blow up the Houses of Parliament in 1605. Guy Fawkes Night is often referred to as 'Bonfire Night'.
- haptic interface — (interface, hardware) A touch interface to a computer that provides feedback, such as a data glove.
- hare's-foot fern — a fern, Polypodium aureum, of tropical America, having a brown, scaly rootstock and green or deep bluish-green fronds.
- harvest festival — religious celebration of crops gathered
- harvey firestone — Harvey Samuel, 1868–1938, U.S. industrialist and rubber manufacturer.
- have no time for — not tolerate
- hawthorne effect — a positive change in the performance of a group of persons taking part in an experiment or study due to their perception of being singled out for special consideration.
- hay-scented fern — a fern, Dennstaedtia punctilobula, of eastern North America, having brittle, yellow-green fronds.
- head post office — the main post office in a town
- headhunting firm — a recruiting agency
- health food shop — a shop which sells health foods
- heat of reaction — the heat evolved or absorbed when one mole of a product is formed at constant pressure
- heat of solution — the heat evolved or absorbed when one mole of a substance dissolves completely in a large volume of solvent
- hell for leather — If you say that someone is going hell for leather, you are emphasizing that they are doing something or are moving very quickly and perhaps carelessly.
- hell-for-leather — characterized by reckless determination or breakneck speed: The sheriff led the posse in a hell-for-leather chase.
- high-pass filter — a filter that allows high-frequency electromagnetic signals to pass while rejecting or attenuating others below a specific value.
- in at the finish — being present or taking part at the conclusion, as of a contest
- in the nature of — essentially the same as; by way of
- in the shadow of — very close to; verging upon
- intake of breath — When someone takes an intake of breath, they breathe in quickly and noisily, usually because they are shocked at something.
- irish free state — former name of the Republic of Ireland.
- lady of the lake — a narrative poem (1810) by Sir Walter Scott.